Iam trying to establish bluetooth connection using arduino uno and HC-05 module. I could establish stable bluetooth connection as You would see at the following photos and I created a publisher node for testing which sending "Hello, Bluetooth!" msg. and I created a subscriber node to recieve the previous msg . and I edited the following node (rosserialpython serialnode.py) to match it with my new port (/dev/rfcomm0) and baud rate (57600), but I still facing a totaly new errorr "[ERROR] [1685639811.636017]: Unable to sync with device; possible link problem or link software version mismatch such as hydro rosserialpython with groovy Arduino ". Could anybody recommend me what we do to solve this error ? Everything I talked about is inclided as screenshots at the drive link ( :https://drive.google.com/drive/folders/1JFhRqE4RodhYVVO-a_jfKHSfYrXTe8e )